Description:
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Googling "parent php" results in this link as the top result:
http://php.net/manual/en/keyword.parent.php
However, the page is not found. I tried the us1, us2 and us3 mirrors.
Google has a cached result that works.
The error from the page:
"Not Found
The manual page you are looking for (http://php.net/manual/en/keyword.parent.php) is not available on this server right now. Please check back later, or if the problem persists, contact the webmasters."

After the PHP 4 OOP docs had been removed, I had to fix the DE
translation, what shows some of the differences:
<http://svn.php.net/viewvc?view=revision&revision=340963>.
It seems to me that all the relevant info is still there, albeit
in different places. I'm rather confident that search engines will
catch up on that.